Can anyone tell me where I can find engine Data, for instance, I have a 1988 Crown Victoria with a 5.0 and I want to compare the differences of components with say a 5.0 out of Lincoln Mark VII or a Mustang from around the same year.

1989-1993 Mustangs had MAF, Mark VIIs did not. However, if you do the HO conversion, you'll need the Mark VII computer, not a Mustang unit- unless you also want MAF, which is entirely unnecessary unless you do dramatic changes like a blower, nitrous, or a turbo and don't upgrade the proper parts to compensate, although the Mustang unit will not operate your cruise control.

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